Is Sodium Selenite Safe for Humans? Separating Fact from Fiction
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5 min read
The U.S. Institute of Medicine has set the adult Tolerable Upper Intake Level (UL) for selenium from all sources, including supplements, at 400 micrograms (mcg) per day. Whether sodium selenite is safe for humans depends heavily on dosage, form, and individual health factors, as it is toxic in high concentrations.